Every musician and engineer needs a reliable direct box. The MDB-2P provides you everything you need for a stereo direct in for high-impedance stereo instruments like keyboards and synthesizers with its two unbalanced 1/4" inputs and thru, -15 dB pad and a pair of balanced XLR outputs with switchable ground lift. Choosing Mackie equipment means choosing gear that is Built-Like-A-Tankā¢ and provides ultra-low noise and distortion.